Nowadays, various data collected in urban context provide unprecedented opportunities for
building a smarter city through urban computing. However, due to heterogeneity, high …

Visualization of sentiments and opinions extracted from or annotated in texts has become a
prominent topic of research over the last decade. From basic pie and bar charts used to …

The ability to explain why the model produced results in such a way is an important problem,
especially in the medical domain. Model explainability is important for building trust by …

With the development of social media (eg Twitter, Flickr, Foursquare, Sina Weibo, etc.), a
large number of people are now using them and post microblogs, messages and multi …

Analyzing students' emotions from classroom videos can help both teachers and parents
quickly know the engagement of students in class. The availability of high-definition cameras …

Visual text analytics has recently emerged as one of the most prominent topics in both
academic research and the commercial world. To provide an overview of the relevant …

Understanding published unstructured textual data using traditional text mining approaches
and tools is becoming a challenging issue due to the rapid increase in electronic open …

Visualization researchers have been increasingly leveraging crowdsourcing approaches to
overcome a number of limitations of controlled laboratory experiments, including small …

Text is one of the greatest inventions in our history and is a major approach to recording
information and knowledge, enabling easy information sharing across both space and time …

Emotions play a key role in human communication and public presentations. Human
emotions are usually expressed through multiple modalities. Therefore, exploring …